Sonoma rossellinae, Ferro, 2016

Ferro, Michael L., 2016, Fourteen new species of Sonoma Casey (Coleoptera: Staphylinidae: Pselaphinae) with a key to species from western North America, Insecta Mundi 2016 (472), pp. 1-57 : 15-16

11. Sonoma rossellinae new species

Fig. 11 , 29 ; Map 31.

Description. Holotype, male. Measurements: head 0.21 long, 0.23 wide; pronotum 0.23 long, 0.27 wide; elytra 0.47 long, 0.23 wide; antennomeres 1–11 total 0.49; total length 1.68. Body dark brown, antennae, maxillary palpi, legs, and elytra paler. Body covered in elongate setae (greater than half the length of the eye).

Head. Eyes prominent, maximum length in dorsal view 1.11x length of first antennal segment, with approximately 30 facets. Antennomere 2 approximately 0.84x width of 1; 3 smallest.

Thorax. Elytra with row of 3 sutural foveae in basal 1/4, evenly spaced; single fovea lateral to sutural fovea; central row of 3 fovea in basal 1/4. Winged. Metatrochanter quadrate; metatibia with process on inner margin approximately halfway from base.

Abdomen. Tergite IV with transverse patch of microtrichia narrowly interrupted at midline. Distinct basal lateral foveae on ventrites IV–VII. Basal pubescence present on ventrites IV–VI, lacking on VII.

Aedeagus. Left paramere: apical digitate process <2x longer than wide, process with three apical setae directed posteriorly and three subapical setae curved toward midline; subapical inner flange widest at base, cuticle becoming thinner laterally. Endophallus: widening to apex; blunt apical process on right corner; elongate apical process extending perpendicular to endophallus directed toward left paramere. Right paramere: elongate apical process and triangular subapical process with six setae, three posteriorly directed and three curved toward midline.

Type Material. Holotype, male: * CA: Los Angeles Co. 34.0871°N, 118.8541°W Santa Monica Mts NRA Zuma Canyon, iv.29.2009 K.J. Hopp, Quercus litter / CA BEETLE PROJ CBP0091880 (1♂). Deposited in SBMNH.

Paratypes (n=5). UNITED STATES: UNITED STATES: CALIFORNIA: Los Angeles Co.: * CA: Los Angeles Co. 34.0871°N, 118.8541°W Santa Monica Mts NRA Zuma Canyon, iv.29.2009 K.J. Hopp, Quercus litter / CA BEETLE PROJ CBP0091877 ( SBMNH) (1♂). *Same data / CA BEETLE PROJ CBP0091878 ( SBMNH) (1♂). *Same data / CA BEETLE PROJ CBP0091881 ( SBMNH) (1♂) SLIDE. *Same data / CA BEETLE PROJ CBP0091882 ( SBMNH) (1♂). * CA: Los Angeles Co. 34.0809°N, 118.7958°W Santa Monica Mts NRA Castro Crest, iv.29.2009 K.J. Hopp, Umbellularia litter / CA BEETLE PROJ CBP0091917 ( SBMNH) (1♂).

Geographical Distribution. Sonoma rossellinae is only known from Los Angeles County, California, where it was collected at two locations within the Santa Monica Mountains National Recreation Area.

Comments. Specimens were collected during April from Quercus and Umbellularia litter.

Aedeagal characters of Sonoma rossellinae are similar to those of S. isabellae . The two can be separated based on the following characters, S. isabellae in brackets []: left paramere with elongate apical process greater than 2x longer than wide [left paramere with apical process shorter, ca. as wide as long]; subapical inner flange of left paramere widest at base, cuticle becoming thinner laterally [subapical inner flange of left paramere wider than base at approximately midlength, with thickened cuticle along lateral edge]; endophallus with blunt apical process on right corner [endophallus without apical process on right corner]; right paramere with triangular lateral subapical process directed laterally [right paramere with small subapical process at base of apical process directed medially]. Sonoma rossellinae possess metatibia with a process on inner margin, S. isabellae lack a metatibial process.

Etymology. Sonoma rossellinae is named after Isabella Fiorella Elettra Giovanna Rossellini, an Italian actress and film maker who wrote and starred in Green Porno, a series of short films on animal sexual behavior.

Figures

Figures 7–11. Sonoma spp. holotype habiti. 7) S. cobra. 8) S. colberti. 9) S. maryae. 10) S. quellazaire. 11) S. rossellinae.

Figures 28–32. Aedeagi of Sonoma spp. 28) S. isabellae (LeConte). 29) S. rossellinae new species. 30) S. tehamae Chandler. Modified from Chandler (2003). 31) S. vanna Marsh and Schuster. 32) S. chandleri new species. Right side of figures is anatomical left.